The generator matrix

 1  0  0  1  1  1  1  1  1  6  1  1  1  1  1  1  1  1  3  1  1  6  1
 0  1  0  6  1  7  8  0  2  1  6  4  1  5  3  5  2  8  1  4  3  3  4
 0  0  1  7  1  6  2  8  6  7  4  0  4  3  7  5  3  5  3  1  5  1  8

generates a code of length 23 over Z9 who´s minimum homogenous weight is 42.

Homogenous weight enumerator: w(x)=1x^0+180x^42+284x^45+144x^48+72x^51+46x^54+2x^63

The gray image is a code over GF(3) with n=69, k=6 and d=42.
This code was found by Heurico 1.16 in 0.0126 seconds.